Comparison of three mechanical thrombus removal devices in thrombosed canine iliac arteries.

abstract：:Spurting of blood from standard arterial needles during guide-wire insertion can be controlled easily with a syringe and a simple needle inserted along the syringe plunger. With this method, blood droplets that may be infected with the hepatitis or human immunodeficiency virus will not come into contact with the head ...

journal_title：Radiology

authors： Cope C,Machan L

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To determine the appropriate radiologic criteria of metastatic retropharyngeal lymph nodes (RLNs) in patients with nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS:After institutional review board approval and informed consent, 303 consecutive NPC patients treated with definitive radiation therapy were ex...

journal_title：Radiology

authors： Zhang GY,Liu LZ,Wei WH,Deng YM,Li YZ,Liu XW

更新日期：2010-05-01 00:00:00

abstract：:A 65-year-old woman with endobronchial carcinoma had torsion of the left upper lobe. A posteroanterior chest radiograph showed apparent atelectasis in the left upper lobe, but the lateral view disclosed an inappropriate posterior displacement of the collapsed lobe. The vasculature of the affected area showed an unusua...

journal_title：Radiology

authors： Moser ES Jr,Proto AV

更新日期：1987-03-01 00:00:00

abstract：:Failures and complications were analyzed retrospectively in 45 patients treated with embolotherapy or occlusion of pulmonary arterial circulation. Pulmonary arterial branches were occluded with steel coils in 19 patients with pulmonary arteriovenous malformations, 17 with hemoptysis of pulmonary artery (PA) origin, an...

journal_title：Radiology

authors： Remy-Jardin M,Wattinne L,Remy J

更新日期：1991-09-01 00:00:00

abstract：PURPOSE:To provide functional reference values in single and sequential vein grafts by using magnetic resonance (MR) flow mapping and to examine the effect of percutaneous intervention (PCI) on coronary artery bypass graft function. MATERIALS AND METHODS:Fast MR flow mapping at baseline and during adenosine-induced st...

journal_title：Radiology

authors： Langerak SE,Vliegen HW,Jukema JW,Zwinderman AH,Lamb HJ,de Roos A,van der Wall EE

更新日期：2003-09-01 00:00:00

abstract：:A grid consisting of a focused array of radiopaque strips has been constructed. No interspace material is employed, and, during an exposure, the arrangement moves so that the grid strips remain focused and a uniform film density is obtained. Preliminary measurements and radiographs of patients indicate that such a dev...

journal_title：Radiology

authors： Barnes GT,Moreland RF,Yester MV,Witten DM

更新日期：1980-06-01 00:00:00

abstract：:The cases of 14 patients seen 6 weeks to 7 years after gunshot wounds with painful, restrictive joint disease and retained intra-articular bullets were reviewed. Twelve patients had radiographic findings characteristic of lead synovitis. The earliest finding was a fine, punctate deposition of radiopaque lead on the ar...

journal_title：Radiology

authors： Sclafani SJ,Vuletin JC,Twersky J

更新日期：1985-08-01 00:00:00

abstract：:The diagnostic accuracy of both planar and single-photon emission computed tomography (SPECT) bone scintigraphy, radionuclide angiography, arthrography, and conventional radiography was evaluated in 36 patients with temporomandibular joint (TMJ) dysfunction undergoing preoperative testing. The sensitivity of SPECT bon...

journal_title：Radiology

authors： Collier BD,Carrera GF,Messer EJ,Ryan DE,Gingrass D,Angell D,Palmer DW,Isitman AT,Hellman RS

更新日期：1983-11-01 00:00:00

abstract：:Purpose To develop and demonstrate in vitro and in vivo a single interventional magnetic resonance (MR)-active device that integrates the functions of precise identification of a tissue site with the delivery of radiofrequency (RF) energy for ablation, high-spatial-resolution thermal mapping to monitor thermal dose, a...

journal_title：Radiology

authors： Ertürk MA,Sathyanarayana Hegde S,Bottomley PA

更新日期：2016-12-01 00:00:00

abstract：PURPOSE:To describe the magnetic resonance (MR) imaging findings of subcutaneous granuloma annulare (SGA), a rare mass of early childhood. MATERIALS AND METHODS:MR imaging studies and clinical records in six children aged 2 1/2-4 years in whom SGA was diagnosed between 1993 and 1997 were retrospectively reviewed. All ...

journal_title：Radiology

authors： Chung S,Frush DP,Prose NS,Shea CR,Laor T,Bisset GS

更新日期：1999-03-01 00:00:00

abstract：PURPOSE:To compare the usefulness of computed tomography (CT) and gadolinium-enhanced magnetic resonance (MR) imaging in the detection of neoplastic invasion of laryngeal cartilage. MATERIALS AND METHODS:In a prospective study, 53 patients with carcinoma of the larynx or piriform sinus underwent CT and MR imaging befo...

journal_title：Radiology

authors： Becker M,Zbären P,Laeng H,Stoupis C,Porcellini B,Vock P

更新日期：1995-03-01 00:00:00

abstract：:An aluminum step-wedge filter placed far from the film cassette provides the constant variation of subject contrast required for quantitative sensitometry while virtually eliminating scatter radiations. Attenuation curves made with this configuration are almost exponentially linear. ...

journal_title：Radiology

authors： Hale J,Bloch P

更新日期：1978-09-01 00:00:00

abstract：:To determine the optimal coil and patient position for magnetic resonance imaging of patients with silicone breast implants, images obtained with body, circular surface, flexible, single shoulder, and dual shoulder coils in various numbers of patients were compared with regard to signal-to-noise ratio (S/N), decay of ...

journal_title：Radiology

authors： Sinha S,Gorczyca DP,DeBruhl ND,Shellock FG,Gausche VR,Bassett LW

更新日期：1993-04-01 00:00:00

abstract：:Magnetic resonance (MR) imaging was performed in 17 patients, 11-84 years of age, referred for evaluation of possible osteomyelitis involving the appendicular skeleton. MR imaging permitted successful identification of osteomyelitis in ten patients (four acute, two subacute with Brodie abscess, two chronic, and two ac...

journal_title：Radiology

authors： Tang JS,Gold RH,Bassett LW,Seeger LL

更新日期：1988-01-01 00:00:00

abstract：:Digital subtraction angiography (DSA) using a 41-cm (16-in.) image intensifier was performed in 144 patients with peripheral vascular insufficiency. In most cases the entire peripheral vascular bed from the renal arteries to the popliteal trifurcation was demonstrated with four intravenous injections and four exposed ...

journal_title：Radiology

authors： Passariello R,Rossi P,Simonetti G,Tempesta P,Pavone P,Castrucci M,McBride K

更新日期：1983-12-01 00:00:00

abstract：:Transforaminal epidural steroid injections (TFESIs) are associated with rare but devastating neurologic complications. Every published case has been associated with a particulate steroid suspension, and the presumed but not proven mechanism is embolization and occlusion of end arterioles. Through an in vivo murine mod...

journal_title：Radiology

authors： Diehn FE,Murthy NS,Maus TP

更新日期：2016-06-01 00:00:00

abstract：:Partial Budd-Chiari syndrome was produced in 8 monkeys by obstructing 2 or 3 lobar hepatic veins with a rapidly polymerizing plastic. Hepatic angiography done 1-3 months later revealed crowded tortuous arteries and a dense hepatogram in the lobe with venous occlusion. Unobstructed lobes were hypertrophied. Retrograde ...

journal_title：Radiology

authors： Maguire R,Doppman JL

更新日期：1977-03-01 00:00:00

abstract：PURPOSE:To illustrate the normal variants and developmental anomalies of the skull base on computed tomographic (CT) scans. MATERIALS AND METHODS:One hundred eighty-nine children (age range, newborn to 18 years; median age, 4.0 years) without skull base deformity were referred for cranial CT. Normal developmental vari...

journal_title：Radiology

authors： Madeline LA,Elster AD

更新日期：1995-09-01 00:00:00

abstract：:Five patients with frostbite injury were studied by selective angiography and treated by selective intra-arterial application of reserpine with follow-up angiography two days later. Control angiograms showed various degrees of vascular spasm as well as organic stenosis and occlusion. Intra-arterial reserpine produced ...

journal_title：Radiology

authors： Gralino BJ,Porter JM,Rosch J

更新日期：1976-05-01 00:00:00

abstract：PURPOSE:To assess the feasibility of percutaneous magnetic resonance (MR)-guided intramyocardial injection of gadodiamide by using real-time imaging and to quantify T1 values and the size of the enhanced region for different concentrations of contrast agent for 30 minutes after injection. MATERIALS AND METHODS:Animal ...

journal_title：Radiology

authors： Krombach GA,Pfeffer JG,Kinzel S,Katoh M,Günther RW,Buecker A

更新日期：2005-05-01 00:00:00

abstract：PURPOSE:To retrospectively assess the apparent diffusion coefficient (ADC) for prediction of malignancy and prognosis of malignant astrocytic tumors. MATERIALS AND METHODS:The institutional review board approved this study and did not require patient informed consent. Findings from 37 consecutive patients (21 men, 16 ...

journal_title：Radiology

authors： Higano S,Yun X,Kumabe T,Watanabe M,Mugikura S,Umetsu A,Sato A,Yamada T,Takahashi S

更新日期：2006-12-01 00:00:00

abstract：PURPOSE:To compare image resolution from iterative reconstruction with resolution from filtered back projection for low-contrast objects on phantom computed tomographic (CT) images across vendors and exposure levels. MATERIALS AND METHODS:Randomized repeat scans of an American College of Radiology CT accreditation pha...

journal_title：Radiology

authors： Saiprasad G,Filliben J,Peskin A,Siegel E,Chen J,Trimble C,Yang Z,Christianson O,Samei E,Krupinski E,Dima A

更新日期：2015-10-01 00:00:00

abstract：PURPOSE:To identify the sonographic appearance of normal fetal midface anatomy of in vitro fetal specimens and to correlate the appearance with that of in utero fetuses to determine which aspects of this anatomy can be evaluated clinically. MATERIALS AND METHODS:The midface structures of 12 normal fetal specimens were...

journal_title：Radiology

authors： Babcook CJ,McGahan JP,Chong BW,Nemzek WR,Salamat MS

更新日期：1996-10-01 00:00:00

abstract：:Ultrasound examinations were performed on 25 women with augmented breasts using whole-breast water-path scanning. In these patients, ultrasound imaged carcinoma, benign lesions, and fibrous capsule formation; these were confirmed by surgery. In addition, it was noted that certain prostheses appeared to be displaced po...

journal_title：Radiology

authors： Cole-Beuglet C,Schwartz G,Kurtz AB,Patchefsky AS,Goldberg BB

更新日期：1983-03-01 00:00:00

abstract：:On rare occasions, excessive lipase production by functioning pancreatic acinar cell carcinoma results in subcutaneous and intraosseous fat necrosis. A patient with subcutaneous nodules and osteolytic lesions from metastatic fat necrosis associated with this malignancy is reported. Prompt recognition of the syndrome l...

journal_title：Radiology

authors： Radin DR,Colletti PM,Forrester DM,Tang WW

更新日期：1986-01-01 00:00:00

abstract：PURPOSE:To compare the performance of apparent diffusion coefficient (ADC) measurement obtained with diffusion-weighted (DW) magnetic resonance (MR) imaging in the characterization of non-fat-containing T1 hyperintense renal lesions with that of contrast material-enhanced MR imaging, with histopathologic analysis and f...

journal_title：Radiology

authors： Kim S,Jain M,Harris AB,Lee VS,Babb JS,Sigmund EE,Rueff LE,Taouli B

更新日期：2009-06-01 00:00:00

abstract：:The authors reviewed cranial imaging studies (radiographs, computed tomographic scans, and magnetic resonance [MR] images) in 13 infants and children with the autosomal recessive form of osteopetrosis to characterize patterns of skull base, brain, and cranial nerve involvement at presentation and with progression of d...

journal_title：Radiology

authors： Elster AD,Theros EG,Key LL,Chen MY

更新日期：1992-04-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of breath-hold, contrast material-enhanced, three-dimensional (3D) magnetic resonance (MR) angiography in the assessment of the aortoiliac inflow tract and renal arteries with conventional catheter angiography as the standard of reference. MATERIALS AND METHODS:In 39 patien...

journal_title：Radiology

authors： Hany TF,Debatin JF,Leung DA,Pfammatter T

更新日期：1997-08-01 00:00:00

abstract：PURPOSE:To characterize the radiographic features of ventilator-associated Pseudomonas aeruginosa pneumonia (PAP). MATERIALS AND METHODS:In 56 patients (40 men and 16 women), PAP was documented with fiberoptic bronchoscopy. All patients underwent mechanical ventilation for at least 48 hours before diagnosis. The findi...

journal_title：Radiology

authors： Winer-Muram HT,Jennings SG,Wunderink RG,Jones CB,Leeper KV Jr

更新日期：1995-04-01 00:00:00

abstract：PURPOSE:To analyze the effect of a decrease in computed tomographic (CT) colonographic voltage, from 100 and 120 kVp to 80 kVp and reconstructed with filtered back projection ( FBP filtered back projection ), on radiation dose, image noise, and diagnostic performance in anthropomorphic phantoms and to assess the effect...

journal_title：Radiology

authors： Shin CI,Kim SH,Lee ES,Lee DH,Hwang EJ,Chung SY,Lee JM,Han JK,Choi BI

更新日期：2014-12-01 00:00:00